Cressi Ranger, Adult Scuba Driving, Snorkeling, and Freediving Mask Quality Since 1946 Cressi is a REAL diving, snorkeling and swimming Italian brand, since 1946. Skirt & Strap made in 100% Silicone combined for Perfect Fit and Seal on Face. Strap Push-Button Swivel Buckles: Make Adjustments Easy and Fast. 2-window mask made with Tempered Glass, Low Volume Design, Easy to Clear. Easy Access One-Handed Nose Pocket for Ear Equalization.